<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>文件上传表单提交</title>
</head>
<body>
    <h1>文件上传测试</h1>
    <form action="file" method="post" enctype="multipart/form-data">
        文件：<input type="file" name="file"><br>
        <input type="submit" />
    </form>
</body>
</html>